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41955801TH Rev.8

112 /

Oki Data CONFIDENTIAL

Table 5-1-1 Operator Alarm (4/6)

Message

Cause

Error Description

Solutions

Service Call
160: Y Toner
161: M Toner
162: C Toner
163: K Toner

Service Call
170: Error
171: Error
174: Error
175: Error

Service Call
172: Error
176: Error

Service Call
173: Error
177: Error

Service Call
179: Error

Service Call
180: Error
~
186: Error

Service Call
187: Error

Close cover
310: Top
cover open

Reset fuser
320: Fuser
error

Turn power
OFF and wait
321: MOTOR
OVERHEAT

Open/close
cover
323: Paper
thickness
error

Open/close
cover
324: Paper
thickness
error

Open/close
cover
325: Paper
thickness
error

Open/close
cover
326: Paper
thickness
error

Error detected by toner
sensor.

Short circuit in fuser
thermistor or open
detected (high temp.
or low temp.)

Thermistor indicates
high-temperature error.

Thermistor indicates
low-temperature error.

Wrong fuser standard.

Communication
disability with option
unit detected by engine.

Communication with
control panel disabled.

Printer engine cover
open.

Same unit not detected
upon power ON or
opening cover.

Printer cannot be used
temporarily due to
motor overheat.

Sensor output out of
range with no media.
(Only for Factory Mode)

Sensor output gap out
of range with no media.
(Only for Factory Mode)

Media detect value out
of range.

U-Heavy mode media
detect value out of
range.

1) Is error message displayed?

2) Does error reoccur?

1) Is error message displayed?
2) Does error reoccur?

1) Does fuser match with model and power
voltage?
2) Error reoccurs after setting fuser properly.

1) Is error message displayed?
2) Does error reoccur?

Is cable properly connected to control panel?

1) Check if top cover is open.
2) Check if cover switch is proper.

1) Is error message displayed?
2) Is fuser unit set properly?
3) Does error reoccur?

1) Are foreign objects mixed in sensor?
2) Does printer recover when detecting
paper thickness by opening/closing tray?
3) Does printer recover by power OFF/ON.

1) Is different media type mixed in?
2) Is media being double fed?

Is different media type mixed in?

Yes

Yes
Yes

Yes

Yes
Yes

Yes

Replace toner sensor or assembly
(Y71-PWB).
Same as above.

Turn ON power again.
Replace thermistor and turn power
OFF. Leave aside for 30 min.

Set proper fuser.
Check if fuser is set properly.
Replace fuser.

Turn ON power again.
Replace option unit.

Connect properly.
Replace control panel and cable.

Close top cover.
Close side cover.
Replace cover switch.

Check if fuser is set properly.
Reset fuser and turn ON power again.
Replace fuser unit assembly.

Turn ON power after a while.

Remove foreign objects.
Normal.

Remove foreign objects.

Содержание C7500n

Страница 1: ...300 ODA OEL INT Maintenance Manual 1 174 2004 04 23 Akio Kikuchi Tomoyo Sugiyama 41955801TL C7550 C7350 C7500 C7300 Disassembly for Maintenance 41955801TR C7550 C7350 C7500 C7300 RSPL Yoshinori Fujisa...

Страница 2: ...ME4 Ueda 4 2003 07 14 Add CU VE Version CN11 Yamanaka 5 2003 12 19 Add PU VE Version NP32 Ishizuka 6 2004 01 26 21 159 Partial change CN11 Yamanaka 7 2004 03 05 Partial change NP32 Ishizuka 8 2004 09...

Страница 3: ...ioninitisaccurate However errors may be crept into the document Oki Data assumes no responsibility for any damage resulting from or claimed to be the results of those repairs adjustments or modifica t...

Страница 4: ...urpose Tray Top Cover Multipurpose Tray Drive Gear 35 2 3 15 Drum Contact Assys 36 2 3 16 Media Thickness Sensor Assy 37 2 3 17 Registration Roller Assy A Registration Drive Gear A 38 2 3 18 Registrat...

Страница 5: ...2 2 Precautions in replacing EEPROM 94 3 2 3 Replacing EEPROM after replacing the CU board 95 3 2 4 Destination Setting Checking Metod Printing Demo Page 95 3 2 5 Recovery Flash ROM data on CU board...

Страница 6: ...ts 155 1 5 Parallel I F Signals 156 2 Universal Serial Bus USB Interface Specifications 157 2 1 USB Interface 157 2 2 USB Interface Connector and Cable 157 2 3 USB Interface Signals 157 APPENDIX B 2ND...

Страница 7: ...ensor Paper near empty sensor MT paper empty sensor FF home switch Loading sensor 1 Loading sensor 2 C ID Unit M ID Unit Y ID Unit K ID Unit C ID M ID Y ID K ID Belt Heat MT Registration Hopping Opera...

Страница 8: ...ion The inside of the printers is composed of the followings Electrophotographic Processor Paper Paths Controller Block CU and PU Operator Panel Power Units High Voltage Unit and Low Voltage Unit Figu...

Страница 9: ...50 C7350 C7500 C7300 of printers 1 2nd Tray 3rd Tray 2 Duplex Unit 3 Expansion Memory 64 128 256 512 MB 4 Internal Hard Disk 5 Ethernet Board Note Don t use one for C9200 C9400 Note Don t use one for...

Страница 10: ...r 24 pages per minute Transparency 8 pages per minute Monochrome 26pagesperminute Transparency 12pagesperminute Postal Card Label Thick Paper 12 pages per minute 5 Resolution 600 600 dots per inch C75...

Страница 11: ...e Max One Year 14 to 109 4 10 to 43 With drum and toner Transport Max One Month 20 to 122 29 to 50 With drum and without toner Transport Max One Month 20 to 122 29 to 50 With drum and toner Humidity H...

Страница 12: ...printer or the floor 2 PARTS REPLACEMENT This section describes the procedure for replacing the parts assemblies and units in the field The replacing procedure is given for detachment To attach use th...

Страница 13: ...screwdriver Magnetized No 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers Handy cleaner LED Head cleaner P N 4PB4083 2248P001 High voltage probe 1 1 1 1 1 1 1 2 2 5 mm screws 3 5 mm s...

Страница 14: ...41955801TH Rev 8 14 Oki Data CONFIDENTIAL 2 2 Parts layout Figure 2 1 A A B B A A B...

Страница 15: ...41955801TH Rev 8 15 Oki Data CONFIDENTIAL Top Cover Assy Figure 2 2 For 1200dpi For 600dpi...

Страница 16: ...41955801TH Rev 8 16 Oki Data CONFIDENTIAL Printer Unit 1 2 Figure 2 3 A A...

Страница 17: ...41955801TH Rev 8 17 Oki Data CONFIDENTIAL Printer Unit 2 2 Figure 2 4...

Страница 18: ...41955801TH Rev 8 18 Oki Data CONFIDENTIAL Cassette Guide Assy L R Figure 2 5 A B B A C C C C...

Страница 19: ...41955801TH Rev 8 19 Oki Data CONFIDENTIAL Duplex Unit A B D C A B C D E E F G G F Figure 2 6...

Страница 20: ...t Roller Assy A 2 3 17 40848801 Transport Transfer Belt Motor Assy 2 3 32 40850201 Contact Assy 2 3 36 41303606 Left Plate Assy 2 3 36 40864301 Rear Cover 2 3 10 40864411 Left Side Cover 2 3 12 408645...

Страница 21: ...Top Cover 2 3 1 41988101 Cover Assy Inner 2 3 3 41316503 Top Cover Inner Frame Assy 2 3 4 42216201 8 LED Assy Spring 2 3 2 41960901 LED Control PWB Y71 2 3 4 40365404 Stack Full Sensor 2 3 4 40860601...

Страница 22: ...41955801TH Rev 8 22 Oki Data CONFIDENTIAL 2 1 1 1 2 3 1 Top Cover 1 Open the Top Cover assy 2 Remove the nine screws 1 to detach the top cover 2 Figure 2 3 1 Top Cover...

Страница 23: ...2 LED Head LED Spring Post Guide 1 Open the top cover 1 2 Remove the three cables and unhook the LED Head 2 at two places to demount it the two springs 3 Post Guide 4 become detached together with th...

Страница 24: ...ar cover see section 2 3 10 3 Remove the left side cover see section 2 3 12 4 Remove the right side cover see section 2 3 13 5 Remove the shield plates A and B see section 2 3 23 and unplug the connec...

Страница 25: ...see section 2 3 3 4 Unscrew the six screws 3 to remove the earth plate 4 5 Remove the two screws 5 unhook all the connectors 6 and demount the LED control PWB 7 6 Disengage the four claws to demount t...

Страница 26: ...le Top Cover Latch Top Cover Latch Spring 1 Remove the two screws 1 to detach the top cover handle 2 and disengage the top cover latch 3 at the same time the two top cover latch springs 4 become detac...

Страница 27: ...41955801TH Rev 8 27 Oki Data CONFIDENTIAL 1 1 1 2 2 3 6 Eject Guide Assy 1 Remove the five screws 1 to detach the eject guide Assy 2 Figure 2 3 6 Eject Guide Assy...

Страница 28: ...ette Assy Front Cover Assy Front Cover Inner Baffle 1 Detach the cassette Assy 1 2 Open the front cover 2 and disengage it at two places to detach it 3 Detach the front cover inner baffle 3 Figure 2 3...

Страница 29: ...Data CONFIDENTIAL 1 3 2 2 3 8 Retard Pad Assy Retard Pad Assy Spring 1 Remove the cassette 1 2 Detach the retard pad Assy 2 at the same time the spring 3 becomes detached Figure 2 3 8 Retard Pad Assy...

Страница 30: ...8 30 Oki Data CONFIDENTIAL 1 2 2 3 9 Feed Roller and Nudger Roller 1 Remove the cassette 2 Unlatch and demount the feed roller 1 3 Unlatch and demount the nudger roller 2 Figure 2 3 9 Feed Roller and...

Страница 31: ...3 1 1 2 3 10 Rear Cover 1 Remove the left side cover see section 2 3 12 2 Remove the four screws 1 to detach the rear cover 2 Note When attaching the rear cover take care not to allow the spring 3 to...

Страница 32: ...41955801TH Rev 8 32 Oki Data CONFIDENTIAL 1 2 3 11 Face Up Tray 1 Open the face up tray 1 in the arrow direction and disengage it at two places to detach it Figure 2 3 11 Face Up Tray...

Страница 33: ...Oki Data CONFIDENTIAL 4 4 1 4 5 3 2 2 3 12 Left Side Cover 1 Open the top cover 1 2 Open the front cover 2 and undo the screw 3 3 Remove the three screws 4 to detach the left side cover 5 Figure 2 3...

Страница 34: ...Oki Data CONFIDENTIAL 1 2 3 5 4 4 2 3 13 Right Side Cover 1 Open the top cover 1 2 Open the front cover 2 and undo the screw 3 2 Remove the four screws 4 to detach the right side cover 5 Figure 2 3 1...

Страница 35: ...2 3 16 4 Remove the three screws 1 to detach the multipurpose tray top cover 2 5 Remove the three screws 3 two of them are black and the connector to detach the multipurpose tray 4 6 Disengage A and...

Страница 36: ...ev 8 36 Oki Data CONFIDENTIAL 1 2 3 15 Drum Contact Assys 1 Insert a flatblade screwdriver between the printer case and the drum contact Assy 1 to demount the drum contact Assy 1 Figure 2 3 15 Drum Co...

Страница 37: ...s Plate Assy 4 and Thickness Sensor Assy 5 to demount the Thickness Sensor Assy 5 Note When attaching the Media Thickness Assy adjust Spin lever adjust by microdriver the position of lever White The u...

Страница 38: ...hickness Sensor Assy see section 2 3 16 5 Remove the screw 1 of the Pickup Stage 2 6 Remove the four screws 3 to demount the registration roller Assy A 4and the Pickup Stage 2 7 Remove the E ring 5 to...

Страница 39: ...ion Roller Assy B 1 Remove the cassette Assy 2 Open the front cover 3 Remove the right side cover see section 2 3 13 4 Remove the left plate Assy see section 2 3 23 5 Remove the registration clutch se...

Страница 40: ...ration Clutch and Registration Motor Assy 1 Remove the left side cover see section 2 3 12 2 Remove the left plate Assy see section 2 3 23 3 Remove the connector and the E ring 1 then remove the two sc...

Страница 41: ...Data CONFIDENTIAL 1 3 2 Outlet Figure 2 3 20 Main Cooling Fan 2 3 20 Main Cooling Fan 1 Unhook the connector 1 and remove the screw 2 and the cooling fan 3 Note When attaching the cooling fan observe...

Страница 42: ...ENTIAL 1 1 2 3 Connectors Figure 2 3 21 Color Registration Sensor Assy 2 3 21 Color Registration Sensor Assy 1 Remove the two screws 1 and the two connectors to demount the color registration sensor A...

Страница 43: ...41955801TH Rev 8 43 Oki Data CONFIDENTIAL 1 Main chassis rear 2 3 22 Duplex Guide Assy 1 Unlatch and demount the duplex guide 1 Figure 2 3 22 Duplex Guide Assy...

Страница 44: ...ws 1 to remove the plate A 2 2 Unscrew the thirty four screws 3 to remove the shield plate B 4 3 Remove the printer engine controller PWB see section 2 3 24 4 Unscrew the eleven screws 5 to remove the...

Страница 45: ...Printer Engine Controller PWB 2 3 24 Printer Engine Controller PWB 1 Remove the right side cover see section 2 3 13 2 Remove the left plate Assy see section 2 3 23 3 Remove the five screws 1 and all...

Страница 46: ...Printer Unit Chassis 1 Unscrew the two screws 1 and remove the AC inlet 2 2 Unscrew the four black screws 3 and six screws 4 to detach the printer unit chassis 5 3 Unscrew the four black screws 6 and...

Страница 47: ...igure 2 3 26 Entrance Cassette Sensor Actuator 2 3 26 Entrance Cassette Sensor Actuator 1 Remove the printer unit chassis see section 2 3 25 2 Turn over the main chassis 3 Remove the two clamps with t...

Страница 48: ...8 48 Oki Data CONFIDENTIAL 1 2 Figure 2 3 27 Entrance Sensor PWB 2 3 27 Entrance Sensor PWB 1 Remove the registration roller Assy B see section 2 3 18 2 Remove the two screws 1 to demount the entranc...

Страница 49: ...r 1 Remove the entrance sensor PWB R71 see section 2 3 27 2 Unlatch and detach the entrance MT sensor actuator 1 3 Unlatch and detach the entrance belt actuator 2 4 Release the latch and remove the En...

Страница 50: ...Unscrew the screw 3 to remove the fuser exit roller contact 4 3 Remove the fuser drive gear A 5 and fuser drive gear A 6 4 Unscrew the screw 7 to remove the fuser drive gear C 8 5 Unlatch and detach t...

Страница 51: ...51 Oki Data CONFIDENTIAL 1 2 2 3 30 Exit Sensor Assy 1 Remove the fuser exit roller see section 2 3 29 2 Remove the screw 1 and connector to demount the red and blue exit sensor Assy 2 Figure 2 3 30...

Страница 52: ...TH Rev 8 52 Oki Data CONFIDENTIAL 3 1 2 2 3 31 Fuser Latching Handle L 1 Remove the latching handle spring 1 2 Unscrew the screw 2 to detach the fuser latching handle L 3 Figure 2 3 31 Fuser Latching...

Страница 53: ...Data CONFIDENTIAL 2 1 3 1 2 3 32 Belt Motor Assy 1 Remove the fuser latching handle R see section 2 3 33 2 Remove the two screws 1 to detach the two connectors 2 3 Demount the belt motor Assy 3 Figure...

Страница 54: ...IAL 3 1 2 2 3 33 Fuser Latching Handle R 1 Remove the printer unit chassis see section 2 3 25 2 Remove the E ring 1 3 Remove the fuser latching handle spring 2 to detach the fuser latching handle R 3...

Страница 55: ...Oki Data CONFIDENTIAL 1 2 1 1 2 3 34 Main Motor Assy 1 Remove the belt motor Assy see section 2 3 32 2 Remove all the connectors 3 Remove the four screws 1 to demount the main motor Assy 2 Figure 2 3...

Страница 56: ...3 35 Main Feeder Drive Motor 1 Remove the two screws 1 to detach the main feeder drive motor 2 2 Unscrew the screw 3 to remove the main feeder drive motor bracket 4 3 Remove the main feeder drive moto...

Страница 57: ...2 1 1 2 3 36 Contact Assy Left Plate Assy 1 Remove the printer unit chassis see section 2 3 25 2 Remove the four screws 1 to detach the left plate Assy 2 3 Remove the screw 3 to detach the contact Ass...

Страница 58: ...Low Voltage Power Supply 1 Remove the printer unit chassis see section 2 3 25 2 Unhook the connector 1 3 Unscrew the screw 2 to remove the earth cable 3 4 Unscrew the six screws 4 to demount the low...

Страница 59: ...igh voltage power supply 1 Remove the contact Assy see section 2 3 36 2 Unhook the connector of the high voltage power supply 1 3 Remove the two screws 2 to detach the high voltage power supply 1 and...

Страница 60: ...is see section 2 3 25 2 Remove the low voltage power supply and high voltage power supply see sections 2 3 37 and 2 3 38 3 Unscrew the five screws 1 to remove the lower plate 2 4 Unscrew the four scre...

Страница 61: ...ection 2 3 39 3 Remove the three screws 1 to detach the left cassette guide Assy 2 At the same time the earth plate 3 becomes detached 4 Remove the cassette lift spring 4 then remove the plastic slide...

Страница 62: ...ed 4 Remove the cassette lift spring 4 then detach the plastic slide 5 the cassette lift arm L 6 and the plastic roller 7 5 Unscrew the screw 8 to remove the paper size actuator 9 6 Unscrew the screw...

Страница 63: ...01TH Rev 8 63 Oki Data CONFIDENTIAL 3 1 2 2 2 3 42 Fuser Unit 1 Open the top cover 1 2 Push the right and left fuser levers blue 2 in the arrow direction to detach the fuser unit 3 Figure 2 3 42 Fuser...

Страница 64: ...64 Oki Data CONFIDENTIAL 1 2 4 3 2 3 43 Belt Unit 1 Open the top cover 1 2 Remove the I D unit 3 Push the lever blue 2 in the arrow direction raise the handle blue 3 and detach the belt unit 4 Figure...

Страница 65: ...IDENTIAL 1 Latch Latch 2 3 44 Duplex Unit 1 Remove the cassette Assy the front cover Assy and the front cover inner baffle 2 Unlatch the rear at the right and left and pull the duplex unit 1 toward th...

Страница 66: ...H Rev 8 66 Oki Data CONFIDENTIAL 1 1 3 2 1 1 2 3 45 Guide Rails L and R 1 Remove the duplex unit see section 2 3 44 2 Remove the six screws 1 to detach the guide rails L 2 and R 3 Figure 2 3 45 Guide...

Страница 67: ...H then detach the roller I 13 Unscrew the screw J to remove the earth K 14 Detach the gear L and bush M At the same time the mini pitch belt N becomes detached 15 Detach the gear O and bush P then det...

Страница 68: ...G F Duplex transport sensor 2 2 3 2 2 V 4 F D E L M N K J Y Z T S a f 5 g c b 5 X 9 8 6 7 V U W e _ Q I P O 0 A B C H G R d 1 Idle roller spring Duplex transfer Assy Cord duplex connector Assy Idle ro...

Страница 69: ...x4 xx 3 Board appearance OLD Version NEW Version There is printting of NBC 2 on the board The position of HDD and Centoro See page 150 Program ROM DIMM There are two kinds of program ROM DIMM CRF Flas...

Страница 70: ...ssembly pracedures 1 Pulling out Controller Board 1 Undo the two screws 1 2 Pull the controller board 2 out 3 Place the controller board 2 on a flat table 2 Detaching Fan 1 Remove the connector 3 2 Re...

Страница 71: ...ree screws 6 and screw 7 to detach the fan bracket 8 2 Remove the screw 9 and four screws 0 to detach the plate support A and the guide rail AB 3 Remove the two screws C to detach the guide rail BD 4...

Страница 72: ...HIGH 20 24PPM model C7300 24 26PPM model C7350 LOW 16 24PPM model C7100 Reboots automatically as the menu is exited note This function for PX713 is ignored Not used note Don t change the setting valu...

Страница 73: ...Controller board is removed For details see the Engine Unit spec as needed 3 0 1 ID Check Pattern Printing TEST PRINT MENU item This pattern can be used for the cause investigation specifying of color...

Страница 74: ...h the Power Save Delay Time Item in the System Configuration Menu Normal Paper Black Print Used for fine adjustment when scratches or dots are notable on print results Decrement if the highly dense pr...

Страница 75: ...res special knowledge for handling the process parameter setting and is contained in the independent experimental element of PU Basically levels other than Level 1 should not be used 3 1 2 1 Operator...

Страница 76: ...XX XX XX in DISGNOSTIC MODE XX XX XX that is displayed in the LCD display is the ROM version The set value for FACTORY WORKING MODE is displayed in the right side of the bottom line SHIPPING is norma...

Страница 77: ...irregularity sensor R Density sensor Duplex print entrance sensor Entrance MT sensor Entrance belt sensor Cover front switch Belt waste toner sensor Entrance cassette sensor Paper empty sensor Paper n...

Страница 78: ...sensor R Temperature sensor Duplex print rear sensor Cassette 2 paper size 2 SW Cassette paper near end sensor Cassette 3 paper size 2 SW Cassette 3 paper near end sensor Yellow head temperature Yell...

Страница 79: ...Table 2 H L L L L L L L L 1 H L H L L L H H H Paper No cassette Letter S Legal13 S A4 S B5 S Executive S A6 S Not supported Legal14 S Not supported Not supported Not supported A5 S Not supported Not s...

Страница 80: ...gins to blink and the corresponding unit drives for 10 seconds See Fig 3 3 Note The status returns to that described in 2 after driving 10 seconds and the unit will start driving again be pressing the...

Страница 81: ...t motor Fuser motor Resist motor Cassette 1 hopping motor Resister clutch Sensor shutter solenoid Eject solenoid Duplex print motor option Duplex print clutch option Cassette 2 motor option Cassette 2...

Страница 82: ...e that is set at the end will be applied Repeat Stop 3 as required Display PRINT EXECUTE TEST PATTERN CASSET PAGE COLOR DUPLEX Function Press Key 3 to start print Press Key 7 to end print In page unit...

Страница 83: ...Press the 7 7 7 7 7 key to stop the test print When an alarm indicated under Details in the table is detected at the start of test print or during test print a message will appear in the panel display...

Страница 84: ...41955801TH Rev 8 84 Oki Data CONFIDENTIAL Pattern 5 Pattern 6 Pattern 7...

Страница 85: ...changes by pressing the 3 3 3 3 3 key The following messages appear during print operation YTR MTR CTR KTR are values of the set transfer voltage unit KV The display changes by pressing the 3 3 3 3 3...

Страница 86: ...3 3 1 2 Items to Initialize in Table 2 Drum counter Belt unit counter Fuser unit counter Toner counter Black Yellow Magenta Cyan Black Yellow Magenta Cyan Details Initialize internal counter since exc...

Страница 87: ...7 7 7 7areinvalid 3 Press the 4 4 4 4 4 key to end the test Status returns to that described in 1 Item Fuser unit Belt unit ID unit black ID unit yellow ID unit magenta ID unit cyan Toner black Toner...

Страница 88: ...ERROR 2 DIAGNOSTICS MODE DISPOSAL TONER FULL DISPOSAL TONER NEAR FULL Details Balance error Belt life over Belt reflection error Belt unit fuse cut error Black density calibration error Black density...

Страница 89: ...INPUT JAM DUPLEX REVERSAL JAM EXIT JAM FEED Details DRIVE MOTOR OVER HEAT DUPLEX I F ERROR DUPLEX TYPE MISMATCH DUPLEX UNIT OPEN PX713 ENGINE BOARD FAN MOTOR ERROR ENGINE CONTROL ERROR ENGINE EEPROM E...

Страница 90: ...APER NEAR END MULTI PURPOSE FEEDER PAPER NEAR END TRAY1 PAPER NEAR END TRAY2 PAPER NEAR END TRAY3 Details Transport jam JOB OFFSET HOME ERROR PX713 LED HEAD OVER HEAT LIFT ERROR TRAY1 PX713 LIFT ERROR...

Страница 91: ...IZONTAL YELLOW REGISTRATION OUT LEFT Details PAPER NEAR END TRAY4 PAPER NEAR END TRAY5 Paper transport error PAPER SIZE ERROR PU fan motor error POWER SUPPLY LSI ERROR PROCESS CONTROL OFF Adjusting co...

Страница 92: ...DENSITY ERROR 2 Details of jam error display Panel Display INFEED TRAY1 INFEED TRAY2 INFEED TRAY3 INFEED TRAY4 INFEED TRAY5 INFEED MP FEEDER INFEED DUPLEX INPATH DUPLEX INPUT INPATH DUPLEX ENTRY INPAT...

Страница 93: ...Without HDD 0 3 1 3 With HDD 0 0 3 1 3 Font list print PCL Prints a font list for PCL Operation Press switch Without HDD 0 3 1 1 3 With HDD 0 0 3 1 1 3 Font list print PS Prints a font list for PS Op...

Страница 94: ...new one color balance must be adjusted Note 2 When the EEPROM of CU board is replaced to a new one the Destination Setting must be adjusted 3 2 1 Precautions in replacing the engine control board When...

Страница 95: ...setting must be made for the common ROM to be used in the printers to various destinations the setting in the ROM default to ODA Setiings are stored in CU board s EEPROM Maintenance boards are to be...

Страница 96: ...8100e down turn the printer on The black push switch should be held down until NETWORK INITIALIZING the network is being initialized appears on the upper display and WAIT A MOMENT to wait a moment app...

Страница 97: ...ed I F Centronics USB Centronics USB File Type No file required USB driver No file required File Name No file required Oki USB Driver for Win98 exe No file required Remarks The interface port must be...

Страница 98: ...djustMM press OK on the screen that is provided only when the software is activated first time 4 Connect the printer AC cable and Centronics interface cable Note When a Centronics is used operation is...

Страница 99: ...a CONFIDENTIAL 7 Setting screen appears Select mark LPT1 or USB on the Printer Port menu Press OK Note Do not change settings other than those instructed here 8 The screen returns to the Adjust Munsel...

Страница 100: ...et Enter the value of the short edge Load the sheets in the multipurpose tray in the order of their thickness entry the media of the first entered thickness is to be lowermost in the multipurpose tray...

Страница 101: ...creen and the Adjust Munsell Media screen are displayed 3 When the sensitivity adjustment is not properly completed the screen appears In such cases see Actions for NG Sensitivity Adjustment 4 The fol...

Страница 102: ...r descriptions END See Attachment Adjustment Process Sensitivity adjustment performed No Yes Check the height of the lever magnification Yes Yes 10 The paper absence AD value not within its spec 20 Th...

Страница 103: ...ted on the shutter label The adjustment value of the shutter must be reset when Sheet Color density sensor or PU sensor is replaced 3 4 3 1 Density Adjustment Menu Setting For the steps 1 to 8 of menu...

Страница 104: ...dia screen are brought up xxx xx FC 61mm 2 Character correction value Code content Barcode 6mm Barcode specification 1 Applied code code39 2 Barcode digit 12 digits 3 Written content From the left 1 d...

Страница 105: ...mounted on the PU board of a printer is replaced with a new one Setting Method For the steps 1 to 8 of menu setting see Media Thickness Detection Adjustment Calibration 3 4 2 1 steps 1 to 8 9 The scr...

Страница 106: ...ages are printed 60 000 pages are printed 120 000 pages are printed this is given as a guide Adjustment after replacement Parts are replaced periodically by users 4 2 Cleaning Clean the internal and e...

Страница 107: ...1 Confirm that the environment for using this printer is appropriate 2 Confirm that consumables toner drum cartridge are replaced appropriately 3 Confirm that paper is accurate Refer to paper specifi...

Страница 108: ...e message indicated in the LCD 5 5 Troubleshooting Procedure Confirm the problem in the following method when the printer generates a problem Problem generated Problem is displayed in LCD Abnormal ima...

Страница 109: ...subject RAM DIMM set properly Is error recovered by replacing subject ROM DIMM Is subject RAM DIMM set properly Is error recovered by replacing subject ROM DIMM Is subject RAM DIMM set properly Is er...

Страница 110: ...nector set properly on CU board Is error recovered by replacing fan Is network board set properly Is error recovered by replacing network board Is proper Network board for the model set Confirm that e...

Страница 111: ...ble between PU board andhigh voltage power LSI connected properly 1 Is fan in low voltage power supply unit operating 2 Error reoccurs after replacing fan motor 1 Is error message displayed 2 Does err...

Страница 112: ...Does error reoccur 1 Is error message displayed 2 Does error reoccur 1 Does fuser match with model and power voltage 2 Error reoccurs after setting fuser properly 1 Is error message displayed 2 Does e...

Страница 113: ...r message displayed 2 Is belt unit set properly 3 Does error reoccur 1 Is error message displayed 2 Is image drum set properly 3 Does error reoccur Right after replacing ID unit Right after replacing...

Страница 114: ...f paper entry switch is normal 1 Is paper custom size 2 Is paper standard size 1 Selected toner cartridge is almost empty 2 Check if selected toner cartridge is normal 1 Check if stacker is full 2 Che...

Страница 115: ...top and bottom lines of the operator panel LCD No Check the power voltage 3 3V 5V 3 3V is open space 2 pin for JTAGW 5V is 2 3 pins for open space HD5V No Replace the power supply YES Check the PU boa...

Страница 116: ...e operator panel cable Is operation recovered No Replace the cover assembly of the operator panel Yes End No Is 5V output to the power connector on the engine board K7N K7V PWB Pin 5 6 7 8 5V Pin 1 2...

Страница 117: ...cable then replace the engine Yes Check the signal cable connection then replace the sensor board R71 PWB No Do feed jams occur right after papers are absorbed Yes Did the paper reach the entrance cas...

Страница 118: ...check the FSENS connector pin signal on the engine board K7N K7V PWB PIN 2 Entrance MT sensor No Check the signal cable connection then replace the sensor board R71 PWB Yes Check the signal cable con...

Страница 119: ...t connected properly No Connect the cable properly Yes Replace the engine board No Do path jams occur right after papers are absorbed Yes Did the paper reach the light sensor Yes Proceed to A No Is th...

Страница 120: ...ter PARTTEMP Pin 8 on the engine board K7N K7V PWB No Check the signal cable connections then replace the paper exit sensor Yes Replace the engine board No Is the cover of the face up stacker fully op...

Страница 121: ...st in the system maintenance mode No Check the cable connections then replace the faulty sensor Yes Check the signal cable connection Is it connected properly No Connect the cable properly Yes Replace...

Страница 122: ...r lever Yes Is the entrance belt sensor functioning properly Operate the sensor lever and confirm that the sensor functions properly in the switch scan test in the system maintenance mode Also check t...

Страница 123: ...cable connections then replace the engine board Yes Is the IDU sensor terminal functioning properly No Check the gear mesh status and sensor terminal function the replace the gear or sensor terminal...

Страница 124: ...enerating a short circuit See Fig 5 1 Approx 190k 980k in room temperature of 0 43 degrees Celsius Yes Replace the fuser unit No No Does a fuser unit error occur approx three minutes after power ON No...

Страница 125: ...replace the low voltage power unit Yes Replace the engine board Yes Was the low voltage power board replaced Yes End No Replace the low voltage power board Yes Does the engine board fan rotate at powe...

Страница 126: ...ines streaks or blurred color lines streaks appear in the vertical 5 direction Figure 5 2 F Faulty fusing image blurs or scatters when touched 6 Consistent abnormality Figure 5 2 E 7 Color detachment...

Страница 127: ...POW connector LED head assembly black No Replace the connection board Y73 PWB Yes Check the cable connections then replace the LED head assembly No Check the cable connections then replace the low vol...

Страница 128: ...ad assembly cyan 3 pin for KPOW connector LED head assembly black No Replace the connection board Y73 PWB Yes Check the cable connections then replace the LED head assembly No Check the cable connecti...

Страница 129: ...ES Check the cable connections then replace the LED head assembly NO Is 34V output to the power connector on the engine board K7N K7V PWB 34V Pin 12 13 14 NO Check the cable connections then replace t...

Страница 130: ...s the engine board K7N K7V PWB connected properly to the connection board Y73 PWB NO Connected the engine board properly to the connection board YES Check the cable connections then replace the engine...

Страница 131: ...ecover YES End NO Is the engine board K7N K7V PWB connected properly to the connection board Y73 PWB NO Connected the engine board properly to the connection board YES Check the cable connections then...

Страница 132: ...heat roller thermister resistance within the regulated value See Fig 5 1 Approx 180k 980k in room temperature of 0 43 degrees Celsius NO Replace the fuser unit YES Is the back up roller thermister res...

Страница 133: ...hen the unit is replaced Consistency Problem Remedy 94 2 mm Image Drum Replace the ID unit 63 6 mm Developing Roller Replace the ID unit 57 8 mm Toner Supply Roller Replace the ID unit 44 0 mm Charge...

Страница 134: ...ad assembly NO Check the cable connections then replace the low voltage power unit Did the printer recover YES End NO Is 34V output to the power connector on the engine board K7N K7V PWB 34V Pin 12 13...

Страница 135: ...1 1 1 1 key three times and display REG ADJUST TEST Press the 2 2 2 2 2 key once and display REG ADJUST EXECUTE Press the 3 3 3 3 3 key and execute auto adjustment for color irregularity The motor wi...

Страница 136: ...d Did the printer recover YES End NO Replace the engine board Did the printer recover YES End NO Replace the cables for the Z71 board and engine board Did the printer recover YES End NO DYNAMICRANGE L...

Страница 137: ...NO Check the cable connections then replace the connection board Y73 PWB Did the printer recover YES End NO Is the engine board K7N K7V PWB connected to the connection board Y73 PWB properly NO Connec...

Страница 138: ...head assembly NO Check the cable connections then replace the low voltage power unit Did the printer recover YES End NO Is 34V output to the power connector on the engine board K7N K7V PWB 34V Pin 12...

Страница 139: ...ce the cable YES Is 5V output to the PU board REG 13pin NO Replace the PU board YES IS GND connection made to the PU board REG 15pin NO Replace the PU board YES Is pulse signal 5ms ON 10 Duty output t...

Страница 140: ...41955801TH Rev 8 140 Oki Data CONFIDENTIAL Figure 5 3 Ground Charge Roller Developing Roller Toner Supply Roller...

Страница 141: ...iton Motor Driver CID Belt Motor Driver 5V Sensor JobOff Motor Driver Cover Open Switch Table 5 7 Fuse Error K7V PWB Fuse Name Error Description Insert Point F1 F2 F3 F4 F5 F6 POEWR OFF Cover Open JAM...

Страница 142: ...Circuit Diagram Illustration Resistance Between pins 1 and 2 7 9 Between pins 3 and 4 7 9 Between pins 1 and 2 8 6 Between pins 3 and 4 8 6 Between pins 1 and 2 8 6 Between pins 3 and 4 8 6 Transport...

Страница 143: ...Diagram Illustration Resistance Between pins 1 and 2 8 6 Between pins 3 and 4 8 6 Between pins 1 and 2 8 6 Between pins 3 and 4 8 6 Between pins 1 and 2 7 9 Between pins 3 and 4 7 9 Main Motor C Main...

Страница 144: ...M 1 2 3 4 Unit Circuit Diagram Illustration Resistance Between pins 1 and 2 7 9 Between pins 3 and 4 7 9 Between pins 1 and 2 7 9 Between pins 3 and 4 7 9 Fuser Motor Feeder Motor Between pins 1 and...

Страница 145: ...1 Upper Roller Side Between pins a and b Between pins c and d 363k at 25 C Between pins e and f Open 2 Backup Roller Side Between pins a and b Between pins c and d 363k at 25 C Between pins e and f 0...

Страница 146: ...Print Engine Controller PWB a K7N PWB 600dpi JODEN FEED FSENS PARTTEMP RSNS REG DUPLEX PSIZE HVOLT TR10P POWER CUIF FAN7 OPTN M1200 MPOW C1200 CPOW YPOW K1200 KPOW Y1200 FAN5 FCOVER FAN4 COVOPN FAN1...

Страница 147: ...ta CONFIDENTIAL b K7N PWB 1200dpi JODEN FEED FSENS PARTTEMP RSNS REG DUPLEX PSIZE HVOLT TR10P POWER CUIF FAN7 HEAD32 FAN5 FCOVER FAN4 COVOPN FAN1 RCL FAN8 FAN2 BELTHET SHUTTER HOPFF ID DCL EEPROM F5 F...

Страница 148: ...NTIAL c K7V PWB 600dpi JODEN FAN9 FSENS PARTTEMP RSNS REG DUPLEX PSIZE HVOLT TR10P POWER CUIF OPTN M1200 MPOW C1200 CPOW YPOW K1200 KPOW Y1200 FAN7 FAN5 FCOVER FAN4 COVOPN FAN1 RCL FAN3 FAN2 BELTHET S...

Страница 149: ...TIG 3 PUIF FAN 3 84 84 1 1 1 85 168 B 85 168 A DIMM 84 2 85 168 168 168 84 1 85 3 DIMM sockets SDRAM DIMM 64MB 512MB 2 DIMM sockets for program and fonts 1 85 1 1 84 3 SDRAM SDMM1 SDMM2 SDMM3 EEPROM C...

Страница 150: ...5 85 168 168 1 84 1 B 84 1 A DIMM 84 2 85 168 168 168 84 1 85 3 DIMM sockets SDRAM DIMM 64MB 512MB 2 DIMM sockets for program and fonts 1 85 1 1 84 3 SDRAM SDMM1 SDMM2 SDMM3 NBC 2 NBC 2 EEPROM CENT US...

Страница 151: ...PANEL 4 Duplex Control PWB V71 N PWB FU1 FSNS MAIN MOTOR INSENS RSENS CLUTCH 5 Control Panel PWB X7N PWB IC501 U 3 6 0 CN1 3 LED Control PWB a Y73 1 PWB 600dpi b Y7X 1 PWB 1200dpi POWER STUCK CPOW2 MP...

Страница 152: ...41955801TH Rev 8 152 Oki Data CONFIDENTIAL 6 N71 PWB JODEN 7 Entrance Sensor PWB R71 PWB HUM WRSNS INSNS1 INSNS2 TNR FSNS 8 Paper Size Sensing PWB PXC PWB CN11 SW3 SW1 SW2 SW4...

Страница 153: ...41955801TH Rev 8 153 Oki Data CONFIDENTIAL 9 High voltage power supply PWB 10 Low voltage power supply PWB CN1 CN2 CN2 CN1 CN4 2 CN6 2 CN4 1 CN6 1 CN5 ACIN CN3 F2 F1...

Страница 154: ...de 1 2 Parallel Interface Connector and Cable 1 Connector Printer side 36 pin receptacle Type 57LE 40360 12 D56 made by Daiichi Denshi or equivalent Cable side 36 pin plug Type 57FE 30360 20N D8 made...

Страница 155: ...Y 0 5 s min 0 5 s min 0 5 s min 0 5 s max 0 5 s min 0 min 0 min 0 5 s to 3 s 0 min b On line off line switching timing by ON LINE SW ON LINE SW BUSY 100 ms max SELECT c Off line on line switching timi...

Страница 156: ...ut exception when the parallel interface is enabled 14 NAutoFd HostBusy PR Used in bidirectional communication 15 Unassigned 16 GND Signal ground 17 FG Chassis ground 18 5V PR Used for supplying 5V Po...

Страница 157: ...e 2 2 USB Interface Connector and Cable 1 Connector Printer side Type B receptacle Upstrem port UBB 4R D14T 1 made by JST or equivalent Connector pin layout 2 3 4 1 Cable side Type B plug 2 Cable Cabl...

Страница 158: ...ENDIX B 2ND 3RD TRAY MAINTENANCE 1 Parts Replacement 1 1 Cover Idle Roller Assy 1 Unscrew the four screws 1 to remove the cover side 2 and the plate cover PCB 3 2 Unscrew the two screws 4 to demount t...

Страница 159: ...01TH Rev 8 159 Oki Data CONFIDENTIAL 3 4 2 1 1 1 1 2 1 2 PCB 1 Unscrew the four screws 1 to remove the plate cover PCB 2 2 Remove the connectors at seven places and the two screws 3 then demount the b...

Страница 160: ...six screws 2 and the eight screws 3 2 Remove the cover sides 4 and 5 the plate cover PCB 6 and the frame hopping Assy 7 3 Remove the E ring 8 the clutch 9 and the two screws 0 4 Unscrew the two screws...

Страница 161: ...PAPER THICK ERROR OPEN AND CLOSE COVER 326 PAPER THICK ERROR DOWNLOAD CHIP DATA 327 DENSITY CALIBRATION CHIP ERROR Err Code 300 310 311 311 312 313 314 315 320 321 323 324 325 326 327 Description A n...

Страница 162: ...JAM REMOVE FINISHER 367 PAPER JAM Err Code 330 340 341 342 343 350 351 352 353 355 356 360 361 362 363 364 365 366 367 Description The belt unit is not correctly installed The drum is not correctly in...

Страница 163: ...391 392 393 394 395 400 401 Description Jam has occurred nearby DUPLEX unit Duplex Reversal Jam has occurred nearby DUPLEX unit Duplex Input Jam has occurred nearby DUPLEX unit Duplex Missfeed Jam has...

Страница 164: ...STALL PAPER CASSETTE 441 TRAY2 OPEN INSTALL PAPER CASSETTE 442 TRAY3 OPEN INSTALL PAPER CASSETTE 443 TRAY4 OPEN Err Code 410 411 412 413 420 430 431 432 433 434 440 441 442 443 440 441 442 443 Descrip...

Страница 165: ...ppp 462 TRAY2 MEDIA MISMATCH CHANGE PAPER TO mmmmmmmmm ppppppp 462 TRAY2 SIZE MISMATCH CHANGE PAPER TO mmmmmmmmm ppppppp 463 TRAY3 MEDIA MISMATCH CHANGE PAPER TO mmmmmmmmm ppppppp 463 TRAY3 SIZE MISMA...

Страница 166: ...mmmmmm ON MPTRAY AND PUSH ON LINE SWITCH Err Code 465 469 471 472 473 480 481 482 490 491 492 493 494 495 499 500 Description The size of paper or media type in the tray does not match the print data...

Страница 167: ...31 TRAY2 OVERFILLED REMOVE EXCESS PAPER 532 TRAY3 OVERFILLED REMOVE EXCESS PAPER 533 TRAY4 OVERFILLED REMOVE EXCESS PAPER 534 TRAY5 OVERFILLED Err Code 520 521 522 523 524 530 531 532 533 534 Descript...

Страница 168: ...ror display appears as mentioned later A Sensor output at Paper Empty is outside the spec Prints according to the Media Weight MIDIUM when this error occurs The difference in Sensor outputs is outside...

Страница 169: ...at does not occur at user level Displayed only in FactoryMode Density Adjustment Black Calibration Error Error that does not occur at user level Displayed only in FactoryMode Density Adjustment Black...

Страница 170: ...or Cyan This is not user level error Registration Sensor Error Black This is not user level error Staple Punch could not be executed because the media was too thick This appears when the media too thi...

Страница 171: ...on of other message in the first line The printer stops at the point when it reaches the drum life Shifts to error OFF LINE Notifies the fuser unit is near its life Notifies the belt unit is near its...

Страница 172: ...denied color printing Indiates that a job has been cancelled because the printer area where the logs are stored has been used up and also Cancel job is specified as an operation at the time of Log Fu...

Страница 173: ...Because this is a temporary warning it remains until the end of the job and disappears Operation that does not involve a disk is available nnn An identifier to Error type For details see the Error tab...

Страница 174: ...N FAILED 7 DISK FILE OPERATION FAILED 8 DISK FILE OPERATION FAILED 9 DISK FILE OPERATION FAILED 10 DISK FILE OPERATION FAILED 11 DISK FILE OPERATION FAILED 12 DISK FILE OPERATION FAILED 13 DISK FILE O...

Страница 175: ...CONFIDENTIAL 35 37 39 40 41 42 4 22 34 3 7 6 20 30 18 14 1 12 11 26 A A B 8 28 29 19 21 25 1 2 28 29 28 33 32 9 31 B A 29 29 28 A B 29 29 28 28 29 29 23 29 29 32 29 23 23 23 23 28 28 28 29 29 29 29 29...

Страница 176: ...41955801TL Rev 8 3 Oki Data CONFIDENTIAL A B A B C C C 13 29 23 C 29 10 24 24 23 23 Main Assembly 2 3...

Страница 177: ...41955801TL Rev 8 4 Oki Data CONFIDENTIAL 49 35 50 44 51 50 43 46 47 48 36 Main Assembly 3 3...

Страница 178: ...4 2 3 3 24 24 2 3 3 24 24 2 3 3 24 24 1 5 14 19 14 14 4 15 6 11 600dpi 7 600dpi 12 13 1200dpi 8 600dpi 12 13 1200dpi 9 600dpi 12 13 1200dpi 10 600dpi 12 13 1200dpi 17 18 21 20 1200dpi 21 22 21 21 21 2...

Страница 179: ...ine Controller PWB K7N 1 3 6 12 1200dpi C7550 42433206 Print Engine Controller PWB K7V 1 3 6 12 600dpi C7350 19 40197102 Electrical Chassis Cooling Fan 1 3 6 12 20 40864901 CRU Basket Assembly 1 3 6 1...

Страница 180: ...Type C2 K 10K 1 APS 41963201 Toner Cartridge Type C2 Y 5K 1 ODA 41963202 Toner Cartridge Type C2 M 5K 1 ODA 41963203 Toner Cartridge Type C2 C 5K 1 ODA 41963204 Toner Cartridge Type C2 K 5K 1 ODA 419...

Страница 181: ...1437448 Board Memory 256MB 1 3 6 12 ODA 41437449 Board Memory 512MB 1 3 6 12 ODA 41437441 Board Memory 128MB 1 3 6 12 OEL 41437442 Board Memory 128MB 1 3 6 12 OEL 41437443 Board Memory 256MB 1 3 6 12...

Страница 182: ...ber are also changed whenever the versions change NIC Card There are three kinds of NIC Cards Oki LAN 6200e ODA Oki LAN 7300e ODA OEL APS Oki LAN 8100e ODA OEL APS NoteTo use Oki LAN 8100e software fo...

Страница 183: ...4 2 3 3 24 24 2 3 3 24 24 2 3 3 24 24 1 5 14 19 14 14 4 15 6 11 600dpi 7 600dpi 12 13 1200dpi 8 600dpi 12 13 1200dpi 9 600dpi 12 13 1200dpi 10 600dpi 12 13 1200dpi 17 18 21 20 1200dpi 21 22 21 21 21 2...

Страница 184: ...Harness 12 4 12 24 48 1200dpi 14 41765601 Eject Roller 8 24 48 96 15 40860602 Toner Sensor 4 12 24 48 16 40866102 Control Panel Assy 1 3 6 12 17 42542702 Control Panel Bezel 1 3 6 12 600dpi OEL APS 4...

Страница 185: ...Oki Data CONFIDENTIAL A A 3 16 19 18 60 5 6 17 2 4 47 21 25 26 8 13 7 12 14 28 23 27 1 10 9 11 51 15 30 31 29 22 22 24 1 50 54 51 58 57 55 51 59 51 51 51 51 51 51 51 49 51 51 51 51 51 51 51 56 Printe...

Страница 186: ...41955801TL Rev 8 7 Oki Data CONFIDENTIAL 31 33 44 40 41 48 39 36 43 45 37 34 38 32 35 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 52 53 Printer Unit Chassis 2 2...

Страница 187: ...41955801TL Rev 8 8 Oki Data CONFIDENTIAL A B B A C C C C 16 15 11 6 21 16 12 14 19 16 11 16 5 1 4 3 2 19 19 20 20 20 20 20 20 19 19 19 19 19 19 Paper Tray Guide...

Страница 188: ...t Cassette Guide Assy 1 3 6 12 7 8 9 10 11 40349701 Plastic Roller 2 6 12 24 12 40368304 Paper Size Sensing PWB PXC 1 3 6 12 13 14 4PP4076 5360P001 Paper Size Actuator 1 3 6 12 15 41309106 2nd Tray Co...

Страница 189: ...41955801TL Rev 8 9 Oki Data CONFIDENTIAL A B D C A B C D E E F G G F 2 3 3 6 3 3 4 4 4 5 4 1 4 4 4 4 4 4 4 4 Duplex Unit...

Страница 190: ...4043 4718P001 Screw SP3 10 2 3 4PB4083 2500P010 Screw T3 10 6 4 4PB4083 2500P008 Screw T3 8 15 5 4PB4013 3100P006 Screw M3 6 3 6 41945301 Duplex Unit 1 ODA 41945303 Duplex Unit 1 OEL 41945307 Duplex U...

Страница 191: ...41955801TL Rev 8 10 10 Oki Data CONFIDENTIAL 2nd 3rd Tray 1 2 3 4 8 5 6 7...

Страница 192: ...3 6 12 For old sensor 41780315 Board V7X 1 3 6 12 For new sensor 3 41400501 Idler Roller Assembly 1 3 6 12 4 41462301 Lower Connector W harness 1 3 6 12 5 41462201 Upper Connector W harness 1 3 6 12...

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Oki C7500n, Руководство по обслуживанию

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